| OO 183-12-2016 | Guidelines in the additional allocation of prefixes in the Amateur Radio Service |
| OO 76-05-2016 | Guidelines in the issuance of Special Permits for the use of Vanity Call Signs and Special Event Call Signs in the Amateur Radio Service |
| OO 75-05-2016 | Guidelines in the application for Amateur Radio Examination and Issuance of Amateur Radio Statio License (ARSL) / Radio Amateur Operator Certificate (RAOC) |
| OO 81-08-2015 | Clarification of Morse Code Requirements for Amateur Examination and Licensing |
| OO 108-12-2012 | Guidelines in the assignment of call sign in the Amateur Radio Service |
